Home / 7,819,005.53-10,778,266.72-5,489,362.55

Finding the Fourth Proportional to 7,819,005.53, 10,778,266.72 and 5,489,362.55

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Solution

The fourth proportional to 7,819,005.53, 10,778,266.72 and 5,489,362.55 is: 7,566,923.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819,005.53 : 10,778,266.72 = 5,489,362.55 : x
  2. Step 2: Convert to fraction form
    7,819,005.53/10,778,266.72 = 5,489,362.55/x
  3. Step 3: Cross multiply
    7,819,005.53x = 10,778,266.72 × 5,489,362.55
  4. Step 4: Simplify right side
    7,819,005.53x = 59,165,813,686,679.34
  5. Step 5: Solve for x
    x = 59,165,813,686,679.34/7,819,005.53
  6. Step 6: Final answer
    x = 7,566,923.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.